Best Catalytic Converters in 2023 (Review & Buying Guide)

Sometimes it might be quite difficult to find the best catalytic converters. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this catalytic converters buying guide.

Quick Picks:

#	Preview	Product
1		MAYASAF 3 Pcs Catalytic Converter for Chevy 2009-17 Traverse, for GMC 07-17 Acadia, for Buick 08-17...	Check Price
2		BoardRoad Left Right Catalytic Converter Direct Fit Stainless Steel For 2004 2005 2006 2007 2008...	Check Price
3		BoardRoad Catalytic Converter Fits 2010-2014 Chevy Equinox/GMC Terrain 2012-2015 Chevy Captiva Sport...	Check Price
4		AUTOSAVER88 Catalytic Converter Compatible with 09-13 Chevy Silverado 1500 / Avalanche, 09-14 Chevy...	Check Price
5		AUTOSAVER88 Catalytic Converter Compatible with 1999-2006 Chevy Silverado GMC Sierra 1500 2500,...	Check Price
6		MOTOOS Front Catalytic Converters Compatible with 2000-2007 Chevrolet Silverado 1500 2003-2006 CMC...	Check Price
7		2.5" Inlet/Outlet Universal Catalytic Converter with O2 Port Compatible with all 1998-2021 5.9L...	Check Price
8		Walker Exhaust Ultra EPA 50469 Direct Fit Catalytic Converter	Check Price
9		Catalytic Converter, MARSFLUX Catalytic Converter Stainless Steel Compatible With 300 2005-2010 (EPA...	Check Price
10		BoardRoad Catalytic Converter Fits 2003-2008 Toyota Corolla Matrix Pontiac Vibe 1.8L EPA	Check Price

10 Top Catalytic Converters Reviews:

Bestseller No. 1

MAYASAF 3 Pcs Catalytic Converter for Chevy 2009-17 Traverse, for GMC 07-17 Acadia, for Buick 08-17 Enclave, for Saturn 07-10 Outlook [3.6L Models Only] (EPA compliant)

• 【Attention】 Not ship to states such as California, Colorado, Maine, and New York, etc. due to state emissions regulations. Please consult your state’s aftermarket converter regulations before purchase.
• 【Vehicle Fitment】Fit for Chevy 2009-17 Traverse, for GMC 07-17 Acadia, for Buick 08-17 Enclave, for Saturn 07-10 Outlook [3.6L Models Only]. Please make sure this item fits your vehicle.
• 【Direct Replacement】Matched with the original vehicle, installed easily to existing exhaust system without doing extra modification, professional installation is highly recommended.
• 【DURABLE】Made from Features HD-Stainless steel, high flow design to provide more oxygen to your engine, fully tested under the extreme conditions for service life.
• 【Worry-free Aftermarket】EPA CERTIFIED, backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. Kindly let us know if you have any problems, let's make it right!

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Bestseller No. 2

BoardRoad Left Right Catalytic Converter Direct Fit Stainless Steel For 2004 2005 2006 2007 2008 F150 F-150 5.4L V8 - EPA Compliant

• ✅【High Standard】：This F150 catalytic converter meets EPA standard and is designed to meet or even exceed OE quality and performance standards.
• ✅【Fitment】：Compatible with 2004 2005 2006 2007 2008 F150 F-150 5.4L V8 catalytic converter.
• ✅【Material】：The ceramic carrier completely fills the inside of the interior of metal shell. The ceramic carrier is honeycomb, hollow , and coated with Rare Earth Stablizers metals. The hollow carrier is to help the gas flow.
• ✅【Features】：The ceramic hollow interior is coated with CeO2Rare earth stablizers metals, the ratio is up to standard, after full testing under extreme conditions,the heat resistance has been greatly improved and the service life has been fully extended.
• ✅【High flow design】：High flow design retains maximum engine output and maximizes catalytic efficiency.To provide more oxygen to your engine for an increase in power and performance.

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Bestseller No. 3

BoardRoad Catalytic Converter Fits 2010-2014 Chevy Equinox/GMC Terrain 2012-2015 Chevy Captiva Sport 2.4L (EPA Certification)

• ✅【High Standard】：This catalytic converter meets EPA standard. BoardRoad catalytic converter is designed to meet or even exceed OE quality and performance standards.
• ✅【Fitment】：Fits 2010-2014 Chevy Equinox 2.4L / GMC Terrain 2.4L. Fit for 2012-2015 Chevy Captiva Sport 2.4L catalytic converter
• ✅【Material】：The ceramic carrier completely fills the inside of the interior of metal shell. The ceramic carrier is honeycomb, hollow , and coated with Rare Earth Stablizers metals. The hollow carrier is to help the gas flow.
• ✅【Features】：The ceramic hollow interior is coated with CeO2Rare earth stablizers metals, the ratio is up to standard, after full testing under extreme conditions,the heat resistance has been greatly improved and the service life has been fully extended.
• ✅【High flow design】：High flow design retains maximum engine output and maximizes catalytic efficiency.To provide more oxygen to your engine for an increase in power and performance.

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Bestseller No. 4

AUTOSAVER88 Catalytic Converter Compatible with 09-13 Chevy Silverado 1500 / Avalanche, 09-14 Chevy Suburban 1500 / Tahoe, 09-14 GMC Yukon, 10-13 GMC Sierra 1500 / Cadillac Escalade (EPA Compliant)

• ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
• VEHICLE FITMENT: Compatible with 2009-2013 Chevy Silverado 1500 / Avalanche, 2009-2014 Chevrolet Suburban 1500 / Tahoe, 2009-2014 GMC Yukon, 2010-2013 GMC Sierra 1500 / Cadillac Escalade Hybrid. Please check the product description page below for details.
• DIRECT FIT DESIGN: The flange is precisely-built to meet standard OE specifications without extra modification, and all installation holes are firmly and exactly fixed with attached gaskets and hardware.
• HIGHER EFFICIENCY & QUALITY: Internal ceramic substrates contain ample metal catalysts and offer a larger surface area to fully react; Adopts heavy-duty T409 stainless steel shell that highly resists heat, rust, and corrosion for longer service life, no worry about bending or melting.
• EPA CERTIFIED: EPA Federal Standard Certificated, all AUTOSAVER88's catalytic converters are stamped with an exclusive EPA number on the shell. AUTOSAVER88 offers a 5-year or 50,000 miles limited warranty, for any manufacturer defect. (NOTE: Professional installation would be highly recommended)

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Bestseller No. 5

AUTOSAVER88 Catalytic Converter Compatible with 1999-2006 Chevy Silverado GMC Sierra 1500 2500, Chevrolet Tahoe/Avalanche Suburban 1500, GMC Yukon/Cadillac Escalade 4.3L 4.8L 5.3L (EPA Compliant)

• ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.
• VEHICLE FITMENT: Compatible with 1999-2006 Chevy Silverado 1500 2500 / Tahoe / Avalanche 1500 / Suburban 1500, GMC Sierra 1500 2500 / Yukon, Cadillac Escalade, please check product description page below for more references
• DIRECT FIT DESIGN: The flange is precisely-built to meet standard OE specifications without extra modification, and all installation holes are firmly and exactly fixed with attached gaskets and hardware.
• HIGHER EFFICIENCY & QUALITY: Internal ceramic substrates contain ample metal catalysts and offer a larger surface area to fully react; Adopts heavy-duty T409 stainless steel shell that highly resists heat, rust, and corrosion for longer service life, no worry about bending or melting.
• EPA CERTIFIED: EPA Federal Standard Certificated, all AUTOSAVER88's catalytic converters are stamped with an exclusive EPA number on the shell. AUTOSAVER88 offers a 5-year or 50,000 miles limited warranty, for any manufacturer defect. (NOTE: Professional installation would be highly recommended)

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Bestseller No. 6

MOTOOS Front Catalytic Converters Compatible with 2000-2007 Chevrolet Silverado 1500 2003-2006 CMC Yukon Sierra 1500 Truck Catalytic Converters（EPA Compliant）Catalytic

• ☆ The Car Model auto-match is not 100% correct, about specific fitment info., please contact us to get a happier shopping experience.------ Compatible with 1999-2007 Chevrolet Silverado 1500 2500 TAHOE Suburban 1500 Avalanche 1500 1999-2007 GMC Yukon 2002-2005 Cadillac Escalade 02-05 Non CARB compliant
• Tube material: Aluminized Steel; Interchange Part Number:10530231, EPA OBD-II Approved.
• Dimensions: 50.5 inch overall length, Inlet type: Dual (3-bolt spinner and 3-bolt welded flange), Outlet type: Single (2-bolt welded flange) , Oxygen sensor ports: 4
• Direct replacement, exact-fit replaces the vehicle's factory installed; Leak-resistant for long-lasting performance; A rigorous quality inspection has been undertaken to ensure that this part conforms to product standards
• Note: Due to state regulations, we cannot ship this item to the state of California as it is not C.A.R.B ( California Air Research Board) approved for use in this state. Due to New York state regulations, this item cannot be installed on a California emissions equipped vehicle in the state of New York

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Bestseller No. 7

2.5" Inlet/Outlet Universal Catalytic Converter with O2 Port Compatible with all 1998-2021 5.9L vehicles replace #425250 (2 Pcs)

• NOT Legal for sale or Use in California, New York, Or Maine Emissions Models
• 【Fitments】This product is compatible with all 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 5.9L Engine vehicles
• 【High-quality Raw Materials】The shell of this product is made of stainless steel to prevent the carrier from being blocked due to oxidation and shedding.The damping layer seals and fixes the carrier to prevent damage to the carrier caused by vibration and thermal deformation.
• 【Excellent Performance】The interior is a honeycomb structure, which can fully react the components flowing through the interior.
• 【Service】If you have any questions, you can consult us at any time.

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Bestseller No. 8

Walker Exhaust Ultra EPA 50469 Direct Fit Catalytic Converter

• EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.
• DIRECT-FIT DESIGN -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn't require specialized fabrication and/or welding
• KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
• STRONG AND DURABLE -- Features thick OE-style flanges, hangers and brackets for strength and durability
• OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter

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Bestseller No. 9

Catalytic Converter, MARSFLUX Catalytic Converter Stainless Steel Compatible With 300 2005-2010 (EPA Compliant)

• [COMPATIBILITY] --- Catalytic Converter Compatible with 300 2005-2010.These free-flow catalytic converters have bolt-on connections and flange to flange design for effortless installation.
• [HIGH FLOW PERFORMANCE ] --- Our catalytic converters are built to meet OEM specifications and have EPA certification. They also feature a high flow design to increase conversion efficiency and vehicle power without sacrificing flow rate.
• [STAINLESS STEEL OUT SHELL] --- The high flow catalytic converters with heavy-duty stainless steel construction feature maximum durability. Firmly welded connections can withstand high temper and pressures for longer service life.
• [FLANGE TO FLANGE DESIGN] --- These free-flow catalytic converters have bolt-on connections and flange to flange design for effortless installation. They're also complete with full accessories as gaskets and hardware, facilitating your replacement.
• [COMPLIANCE WITH OBD III] --- The direct-fit catalytic converters are compliant with OBD III Standards but not with CARB. Thus, they can be used in most states except California& New York, not legal for use on vehicles required to meet CA emission standards.

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Bestseller No. 10

BoardRoad Catalytic Converter Fits 2003-2008 Toyota Corolla Matrix Pontiac Vibe 1.8L EPA

• ✅【High Standard】：This manifold catalytic converter meets EPA standard. BoardRoad catalytic converter is designed to meet or even exceed OE quality and performance standards. Fits 2003-2008 Toyota Corolla Matrix, 2003-2006 Pontiac Vibe and 2007-2008 Pontiac Vibe 1.8L Engine.
• ✅【Material】：The ceramic carrier completely fills the inside of the interior of metal shell. The ceramic carrier is honeycomb, hollow , and coated with Rare Earth Stablizers metals. The hollow carrier is to help the gas flow.
• ✅【Features】：The ceramic hollow interior is coated with CeO2Rare earth stablizers metals, the ratio is up to standard, after full testing under extreme conditions,the heat resistance has been greatly improved and the service life has been fully extended.
• ✅【High flow design】：High flow design retains maximum engine output and maximizes catalytic efficiency.To provide more oxygen to your engine for an increase in power and performance.
• ✅【Perfect Fit】：We use the original car mold to produce the catalytic converter. Built to match the original car, Not a generic model. Highly fit , perfect in workmanship.

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Last update on 2023-03-22 / Affiliate links / Images from Amazon Product Advertising API

How to find the best catalytic converters?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best catalytic converters for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good catalytic converters recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

• What features does the catalytic converters need to have to be perfect for my needs?
• What is my budget?
• Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for catalytic converters to find what you’re looking for:

Brand

In some cases, the brand of catalytic converters is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given catalytic converters are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about catalytic converters are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare catalytic converters quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best catalytic converters can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.